The invention discloses a configurable separated cam gear. The configurable separated cam gear comprises a cam, an adapter and a connecting piece, wherein the adapter is arranged at one end of the cam; the connecting piece penetrates the adapter and then is connected with the cam; and the adapter and the cam are fixed together through the connecting piece. As the adapter and the connecting piece are arranged, the adapter can be conveniently detached from the cam, so that adapters in different shapes can be correspondingly replaced according to the requirements of different door pivots, the shapes of the adapters are matched with those of corresponding holes in the door pivots, accordingly, the whole cam does not need to be replaced, assembly and disassembly are convenient and the cost is lowered.